EP 2423440 A2 20120229 - Root region of a blade for a gas turbine engine
Title (en)
Root region of a blade for a gas turbine engine
Title (de)
Fußbereich einer Schaufel für einen Gasturbinenmotor
Title (fr)
Région de pied d'aube pour moteur à turbine à gaz
Publication
Application
Priority
US 86270810 A 20100824
Abstract (en)
A root region (60) of an airfoil includes an inner ply layer group (82) that extends from an innermost root region (60) at least partially into an intermediate platform region (62). The inner ply layer group (82) includes an outermost ply (82-1) and an attachment ply layer group (84) attached to the outermost ply (82-1).
IPC 8 full level
F01D 5/28 (2006.01); F01D 5/30 (2006.01); F04D 29/32 (2006.01)
CPC (source: EP US)
F01D 5/282 (2013.01 - EP US); F01D 5/284 (2013.01 - EP US); F01D 5/3007 (2013.01 - EP US); F05D 2300/6033 (2013.01 - EP US); F05D 2300/6034 (2013.01 - EP US); Y02T 50/60 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2423440 A2 20120229; EP 2423440 A3 20141224; EP 2423440 B1 20170614; US 2012051920 A1 20120301; US 8794925 B2 20140805
DOCDB simple family (application)
EP 11178453 A 20110823; US 86270810 A 20100824